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Conversion of PPM and mg/L
 

Conversion of PPM and mg/L
by Ned Wright on 07/18/05 at 20:12:15

I know there was some discussion of this topic once before in relation to TCE, but how do you convert ppm to mg/L if the relative density is not similar to water.

What I have is some reports talking about mg/L of glyphosate in streams and others talking about the potential effects of the chemical at .5 ppm.

I haven't thought about converting things into moles in about 10 years and whenever I try to put it on paper I start to get all jumbled.

This is what I have:
Relative Density of Glyphosate 1.7 (water = 1.0)

if a study quotes 7.55 mg/L what is that in ppm?

Thanks,
Ned


Re: Conversion of PPM and mg/L
by Ingeniero on 07/19/05 at 10:02:31

;)   it is too easy, you must be convert yours mg/L a ppm using the density of your component. the ppm is for definition mg/kg, then your should be use the next expressions:

[center][b]mg/kg=ppm= mg/L   / Density[/b][/center]

but  the density is in units of  kg/lt, in this case the density is 1.7 kg/L

bye


Re: Conversion of PPM and mg/L
by Ned Wright on 07/19/05 at 12:31:48

OK, so let me know if I didn't do this right.

ppm = 7.55 mg/L / 1.7 kg/L

or ppm = 4.44 mg/kg

Is that all!  Piece of Cake  :D

Gracias al Ingenio!


Re: Conversion of PPM and mg/L
by Ingeniero on 07/19/05 at 18:06:33

ok, de nada..

:D


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